95. Count Alphabets Digits and Symbols in a String

#include <stdio.h>
#include <stdint.h>

void classify_chars(const char *str, uint8_t *alpha, uint8_t *digit, uint8_t *symbol) {
    // Your logic here
    *alpha=0;
    *digit=0;
    *symbol=0;
    uint8_t index=0;

    while(str[index]!='\0')
    {
        uint8_t ch = (uint8_t)str[index];

        if(ch>47 && ch<58)
            (*digit)++;
        else if((ch>=65 && ch<=90) || (ch>=97 && ch<=122))
            (*alpha)++;
        else if(ch!=32)
            (*symbol)++;

        index++;
    }
}

int main() {
    char str[101];
    fgets(str, sizeof(str), stdin);

    // Remove newline
    uint8_t i = 0;
    while (str[i]) {
        if (str[i] == '\n') {
            str[i] = '\0';
            break;
        }
        i++;
    }

    uint8_t alpha = 0, digit = 0, symbol = 0;
    classify_chars(str, &alpha, &digit, &symbol);
    printf("Alphabets = %u\nDigits = %u\nSymbols = %u", alpha, digit, symbol);
    return 0;
}